D39/100
OAK HILL, VILLAGE OF — Water Quality Report 2026
Serving 3,067 people · Ohio
Water Source
Purchased Groundwater
County
—
System ID
OH4000411
Violations
42
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 101.00 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About OAK HILL, VILLAGE OF
Is OAK HILL, VILLAGE OF water safe to drink?
OAK HILL, VILLAGE OF water receives a grade of D (39/100), which is considered poor. 1 contaminant(s) exceed EPA legal limits and 42 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has OAK HILL, VILLAGE OF detected?
2 contaminants were tested in OAK HILL, VILLAGE OF's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does OAK HILL, VILLAGE OF have any EPA violations?
Yes, OAK HILL, VILLAGE OF has 42 EPA violation(s) on record, with the most recent in 2020. Violation types include Other, MR, MCL. 2 are health-based violations.
How many people does OAK HILL, VILLAGE OF serve?
OAK HILL, VILLAGE OF serves approximately 3,067 people, Ohio.
What type of water does OAK HILL, VILLAGE OF provide?
OAK HILL, VILLAGE OF sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OH4000411.
How does OAK HILL, VILLAGE OF compare to other utilities in Ohio?
OAK HILL, VILLAGE OF scores 39/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Ohio state page for a full comparison of water systems.